Science: Beams

Newspaper readers pictured a narrow, shooting band, like the track of a searchlight, flashing from England and wagging over Canada until it found its mark. That was essentially the right picture, except that where a searchlight beam starts out intensely bright and soon dwindles palely, the beam in question remained almost as powerful 3,000 miles from its starting point; and except that it was, of course, an invisible beam, a shaft of radio waves.

The picture was conjured by an announcement in Britain that the royal and...

Want the full story?

Subscribe Now


Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!